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Equity In Net Assets of Nonconsolidated Affiliates (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Schedule of Equity Method Investments [Line Items]
Equity income	$ (132)	$ 414
Equity Method Investee [Member]
Schedule of Equity Method Investments [Line Items]
Dividends declared but not paid	1,000
Undistributed earnings	2,000		$ 2,100
Automotive China JVs equity income [Member]
Schedule of Equity Method Investments [Line Items]
Equity income	$ (167)	376
Change in ownership percentage	0.00%
Net sales	$ 4,321	10,146
Net income	(348)	767
Other joint ventures equity income [Member]
Schedule of Equity Method Investments [Line Items]
Equity income	$ 35	$ 38

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